Never prematurely optimize. To my knowledge, -reloadData is a pretty intelligent method and performs incremental updates only as necessary. Have you tested it to see if your application takes a noticeable performance hit? If it doesn't, then don't second-guess the Cocoa frameworks.
Regardless, I agree that it seems unnecessary. How are you changing the alignment? -Matt Sent from my iPhone On Jan 26, 2011, at 11:05 AM, Eric Gorr <mail...@ericgorr.net> wrote: > I found this old thread: > > refreshing the header title for an NSTableColumn > http://lists.apple.com/archives/cocoa-dev/2005/Nov/msg00659.html > > which describes the same problem I just faced. > > In my case, I needed to change the justification of the text in the header > cell and calling setNeedsDisplay: on the table did not cause the header cell > to redraw itself. My only option still appears to be telling the table to > reload it's data. Of course, this could result in an unnecessary performance > hit depending on how much work needs to be done when reloading the data. > > It is possible that -reloadDataForRowIndexes:columnIndexes: would cause the > header cell to redraw if I just tell the first row and the column that > changed to reload it's data, but I need to stay with the 10.5 SDK for the > moment. > > I was only curious if there was some other better and more efficient method > that I could use to get the header cell to redraw since this old thread from > 2005. > > If there isn't, I'll file an enhancement request....it still would seem silly > to need to call any reloadData method to get a header cell to redraw in this > situation. > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/matt%40mattpatenaude.com > > This email sent to m...@mattpatenaude.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
